'use strict';
exports.main = async (event, context) => {
	//event为客户端上传的参数
	console.log('event : ', event)
	//更新评论数组
	const db = uniCloud.database();
	const dbCmd = db.command
	let res = db.collection('Tweets').doc(event._id).update({
		comment: dbCmd.push(event.arr)
	})
	//返回数据给客户端
	return res
};
